Function extractStringConstant

transpiler/transform/functions.go:512–522

extractStringConstant extracts the string value from an AST node if it's a string constant.

(node *pg_query.Node)

// extractStringConstant extracts the string value from an AST node if it's a string constant.
func extractStringConstant(node *pg_query.Node) string {
	if node == nil {
		return ""
	}
	if ac := node.GetAConst(); ac != nil {
		if sval := ac.GetSval(); sval != nil {
			return sval.Sval
		}
	}
	return ""
}

// setStringConstant sets the string value of an AST node that is a string constant.
func setStringConstant(node *pg_query.Node, value string) {